因式分解:-4m^2n^5(x-y)^2+16mn^3(y-x)^2-2m^n^2(y-x)^3
把下列各式因式分解(2m+3n)(2m-n)-4n(2m-n)(x+y)^2(x-y)+(x+y)(y-x)^24a(x
10道因式分解1.-7m(m-n)^3+21mn(n-m)^22.5x(x-2y)^2-10y(2y-x)^23.225
1.(因式分解)m*m/9-mn/3+n*n/4.2.已知x*x+y*y-2x+1=0,求xy=________.
5m(x-y)的2次方+10n(y-x)的3次方 因式分解
1.因式分解(1) 1-4x²y²(2) 16m²+25n²+40mn(3) 2
因式分解:(1)x³y²-x (2)m²-2mn+n²-1
因式分解x^3-4x^2y x^3+2x^2+x和分解因式4a^2-1 m^2+n^2+2mn-p^2
因式分解:(x-y)^2(m-n)+(x+y)^2(n-m)
因式分解m²+2m(m-n)+(m-n)²,16-8(x-y)+(x-y)²
因式分解:3a(x-y)+9(y-x)(2m-3n)²-2m+3n
(x+y)(m+n)2-(x+y)(m+n)2
题:若关于x,y的多项式:x^(m-2)y^2+mn(m-2)y+nx^3y^(m-3)y+m+n化简后是四次三项式,求